SOLUTION: sin(x+15 degrees) = cos(2x+30 degrees)
Algebra.Com
Question 788728: sin(x+15 degrees) = cos(2x+30 degrees)
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
sin(x+15)degrees = cos(2x+30 degrees)
Identity: sinx=cos(90-x)
sin(x+15)degrees=cos(90-(x+15))deg=cos(2x+30) deg
90-x-15=2x+30
3x=45
x=15 deg
RELATED QUESTIONS
Cos 30 degrees = Sin ???... (answered by mangopeeler07)
prove sin 75 degrees – sin 15 degrees = cos 105 degrees + cos 15... (answered by jsmallt9)
Simplify:
cos 240 degrees. sin 15 degrees OVER (this is a fraction) cos(-30). cos 105... (answered by lwsshak3)
Sin(x-15)=cos(30+2x)
(answered by ikleyn)
cos 30 degrees cos 100 degres + sin 30 degrees sin 100... (answered by solver91311)
if sin (x-3) degrees = cos (2x+6) degrees, find the value of... (answered by stanbon)
Angels between 0 degrees and 90 degrees
sin 150 degrees = sin ?
sin 150 degrees = cos... (answered by stanbon)
Get to single trigonometric function
(Sin 15degrees)(cos 75degrees) - (cos 15... (answered by stanbon)
which equation is true ?
A) sin 30 degrees=sin 60 degrees
B) sin 45 degrees = cos 45... (answered by Alan3354)